bridge: respect RFC2863 operational state
The bridge link detection should follow the operational state
of the lower device, rather than the carrier bit. This allows devices
like tunnels that are controlled by userspace control plane to work
with bridge STP link management.
Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
Reviewed-by: Flavio Leitner <fbl@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/bridge/br_stp_if.c b/net/bridge/br_stp_if.c
index 9d5a414..7b5197c 100644
--- a/net/bridge/br_stp_if.c
+++ b/net/bridge/br_stp_if.c
@@ -54,7 +54,7 @@
br_config_bpdu_generation(br);
list_for_each_entry(p, &br->port_list, list) {
- if ((p->dev->flags & IFF_UP) && netif_carrier_ok(p->dev))
+ if (netif_running(p->dev) && netif_oper_up(p->dev))
br_stp_enable_port(p);
}
